The article titled “Multiculturalism is the key philosophic concept of a modern society’s social development” is devoted to analysis of cultural- political concerns taking place in modern societies from socio- philosophic aspects. The article outlines such topics as addressing this matter from the aspect of urgent demand of the time and period, respect to other cultural identities, and prevention of radicalism, terrorism, extremism, religious fundamentalism, and racial discriminatory acts that may upset the equilibrium in the system of ethnic- political relationships (...) of multiethnic societies against the background of globalization process, and criticality of taking complex measures aimed at safe future in respect of ethnic – political subjects. Term of multiculturalism from philosophic point of view has a broader definition being a generic manifestation of the cultures to which various social entities integrating various values belong to. It is a well-known fact that culture and moral virtues are a historic- philosophic system of views and, depending on dictate of the time and form of public order established at each historic development phase, culture and moral virtues are subject to change and renewal. Multiculturalism is a form of tolerance where representatives of different national cultures coexist in a country and assert themselves. Mutual understanding, joint activity, including equal dialogue between parallel cultures, are the factors forming philosophic- theoretical base of multiculturalism paradigm. The article analyzes multiculturalism concept philosophically and is primarily explained as a synthesis of communitarism and liberalism ideas. It is specifically stressed that multiculturalism reflects the equality promoted by communitarism as a concept and respect towards a personality, other cultures and religions as asserted by liberals. Readers’ attention are called to transformation of multiculturalism paradigm into main philosophic- political concept of modern societies and its constitution of the political doctrine of many developed countries, including the Republic of Azerbaijan in state policy context. (shrink)